Question
A study compared the effects of four 1-month point-of -purchase promotions on sales. The unit sales for five stores using all four promotions in different
A study compared the effects of four 1-month point-of -purchase promotions
on sales. The unit sales for five stores using all four promotions in different
months follows.
Free sample : 78 87 81 89 85
One-pack gift : 94 91 87 90 88
Cents off : 73 78 69 83 76
Refund by mail : 79 83 78 69 81
At the 0.01 level of significance, do the promotions produce different effects on sales ?
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Chaos, Noise And Fractals
Authors: E Roy Pike, L A Lugiato
1st Edition
1000112101, 9781000112108
